To make sure that your Apple devices have the latest bug fixes and security enhancements, keep your devices up to date.
To begin ensure your watch is connected to the W-Fi network.
- Go to the Start screen of your mobile device.
- Open the Settings app.
- Tap General.
- Tap Software Update.
- Tap Install if a software update is available, then follow the onscreen instructions.
Leave your Apple Watch on its charger while the update completes, and don't restart your Apple Watch. When the update completes, your Apple Watch restarts on its own.